X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2F_Util.pm;h=d43d836b3ddb941bf14dd457cc4835637e5488c7;hb=209a20649200c6885697ced98d8499022c2e9eeb;hp=612efa7e5ddf1d0343f7391ea4d0e752775c516e;hpb=8433421f819142a4e4015993458b6df8f1583869;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/_Util.pm b/lib/DBIx/Class/_Util.pm index 612efa7..d43d836 100644 --- a/lib/DBIx/Class/_Util.pm +++ b/lib/DBIx/Class/_Util.pm @@ -52,13 +52,11 @@ use DBIx::Class::Carp '^DBIx::Class|^DBICTest'; use Carp 'croak'; use Scalar::Util qw(weaken blessed reftype); use List::Util qw(first); -use overload (); use base 'Exporter'; our @EXPORT_OK = qw( sigwarn_silencer modver_gt_or_eq fail_on_internal_wantarray refdesc refcount hrefaddr is_exception - is_plain_value is_literal_value UNRESOLVABLE_CONDITION ); @@ -118,8 +116,8 @@ sub is_exception ($) { if (defined $suberror) { if (length (my $class = blessed($e) )) { carp_unique( sprintf( - 'External exception object %s implements partial (broken) ' - . 'overloading preventing it from being used in simple ($x eq $y) ' + 'External exception class %s implements partial (broken) overloading ' + . 'preventing its instances from being used in simple ($x eq $y) ' . 'comparisons. Given Perl\'s "globally cooperative" exception ' . 'handling this type of brokenness is extremely dangerous on ' . 'exception objects, as it may (and often does) result in silent ' @@ -130,7 +128,7 @@ sub is_exception ($) { . 'to the one shown at %s, in order to ensure your exception handling ' . 'is saner application-wide. What follows is the actual error text ' . "as generated by Perl itself:\n\n%s\n ", - refdesc $e, + $class, $class, 'http://v.gd/DBIC_overload_tempfix/', $suberror, @@ -168,49 +166,10 @@ sub modver_gt_or_eq ($$) { eval { $mod->VERSION($ver) } ? 1 : 0; } -sub is_literal_value ($) { - ( - ref $_[0] eq 'SCALAR' - or - ( ref $_[0] eq 'REF' and ref ${$_[0]} eq 'ARRAY' ) - ) ? 1 : 0; -} - -# FIXME XSify - this can be done so much more efficiently -sub is_plain_value ($) { - no strict 'refs'; - ( - # plain scalar - (! length ref $_[0]) - or - ( - blessed $_[0] - and - # deliberately not using Devel::OverloadInfo - the checks we are - # intersted in are much more limited than the fullblown thing, and - # this is a relatively hot piece of code - ( - # FIXME - DBI needs fixing to stringify regardless of DBD - # - # either has stringification which DBI SHOULD prefer out of the box - #first { *{$_ . '::(""'}{CODE} } @{ mro::get_linear_isa( ref $_[0] ) } - overload::Method($_[0], '""') - or - # has nummification and fallback is *not* disabled - ( - $_[1] = first { *{"${_}::(0+"}{CODE} } @{ mro::get_linear_isa( ref $_[0] ) } - and - ( ! defined ${"$_[1]::()"} or ${"$_[1]::()"} ) - ) - ) - ) - ) ? 1 : 0; -} - { my $list_ctx_ok_stack_marker; - sub fail_on_internal_wantarray { + sub fail_on_internal_wantarray () { return if $list_ctx_ok_stack_marker; if (! defined wantarray) { @@ -233,12 +192,23 @@ sub is_plain_value ($) { $cf++; } + my ($fr, $want, $argdesc); + { + package DB; + $fr = [ caller($cf) ]; + $want = ( caller($cf-1) )[5]; + $argdesc = ref $DB::args[0] + ? DBIx::Class::_Util::refdesc($DB::args[0]) + : 'non ' + ; + }; + if ( - (caller($cf))[0] =~ /^(?:DBIx::Class|DBICx::)/ + $want and $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ ) { DBIx::Class::Exception->throw( sprintf ( - "Improper use of %s instance in list context at %s line %d\n\n\tStacktrace starts", - refdesc($_[0]), (caller($cf))[1,2] + "Improper use of %s instance in list context at %s line %d\n\n Stacktrace starts", + $argdesc, @{$fr}[1,2] ), 'with_stacktrace'); }